
set border lw 1

#set grid lt 2 lw 0.5 lc rgb "#DDDDDD"

set tmargin -2
set bmargin -2
set lmargin -2
set rmargin -2

set xtics scale 0.7
set ytics scale 0.7

set key top left

PS = 0.2
TR = 0.2

COL = 3

SIZEX = 1280.0;
SIZEY = 720.0;

X1 = -100.0;
X2 = +100.0;
Y1 = 0;
Y2 = (X2-X1)*SIZEY/SIZEX

gstepx = 3

set xrange [X1:X2]
set yrange [Y1:Y2]

#set format y2 "%.1f"
#set format x2 "%.1f"



set xtics  10
set ytics  10
set mxtics 10
set mytics 10


set term pngcairo dashed truecolor font "Arial, 10" size SIZEX, SIZEY  enhanced

dt = 0.01
i = int(3.90/dt)


while (i<=int(4/dt+0.5)) {
	
	set x2tics -90, gstepx, +90
	set y2tics -90, gstepx, +90

	set output sprintf("ss.%.2f.png", i*dt)

	set multiplot
	
	unset grid
	set grid xtics mxtics ytics mytics lt 1 lc rgb '#F2F2F2', lt 1 lc rgb '#D0D0D0' lw 0.1
	plot 1/0 t ""
	
	unset grid
	set grid x2tics y2tics lt 0 lw 1 lc rgb "#BBBBBB" back
	plot 1/0 t ""
	
	unset grid

	plot sprintf("ss.%.2f", i*dt) binary record=2*64**3 skip= format="%3float%int" u 1:COL:(PS):4 with circles lc var fs transparent solid TR noborder t sprintf("t=%.2f", i*dt)
	
	unset multiplot
	unset grid
	
	unset x2tics
	unset y2tics
	print sprintf("t = %.2f", i*dt)
	i = i + 1

} 


exit
